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178 - Disclosure - Income Taxes - Schedule of Reconciliations Between Statutory Federal Income Tax Rate and Company's Effective Income Tax Rate (Detail)
(http://www.watson.com/taxonomy/role/DisclosureIncomeTaxesScheduleOfReconciliationsBetweenStatutoryFederalIncomeTaxRateAndCompanysEffectiveIncomeTaxRate)
TableReconciliation Of Effective Income Tax Rate [Table]
Slicers (applies to each fact value in each table cell)
Reporting Entity [Axis]0000884629 (http://www.sec.gov/CIK)
Legal Entity [Axis]Entity [Domain]
Reconciliation Of Effective Income Tax Rate [Line Items]Period [Axis]
2012-01-01 - 2012-12-31
2011-01-01 - 2011-12-31
2010-01-01 - 2010-12-31
Statement Geographical [Axis]Statement Geographical [Axis]Statement Geographical [Axis]
Foreign Country [Member]Segment Geographical [Domain]Foreign Country [Member]Segment Geographical [Domain]Foreign Country [Member]Segment Geographical [Domain]
Federal income tax at statutory rates
 
.350  
 
.350  
 
.350  
State income taxes, net of federal benefit
 
.055  
 
.024  
 
.016  
Foreign rate differential
 
(.037) 
 
.019  
 
.028  
Foreign intangible amortization
.187  
 
.061  
 
.000  
 
Effect of Ascent reorganization
 
(.150) 
 
.000  
 
.000  
Loss on foreign currency hedge
 
.101  
 
.000  
 
.000  
Foreign impairments
.084  
 
.006  
 
.007  
 
Tax audit outcomes
 
(.070) 
 
(.014) 
 
(.078) 
Non-deductible expenses
 
.059  
 
.025  
 
.050  
R&D credit and U.S. manufacturing deduction
 
(.045) 
 
(.037) 
 
(.037) 
Rate changes
 
.028  
 
(.012) 
 
(.043) 
Transaction costs
 
.027  
 
.002  
 
.000  
Valuation allowance
 
(.016) 
 
.014  
 
(.014) 
Sale of subsidiary
 
.000  
 
.000  
 
(.021) 
Other
 
.026  
 
(.006) 
 
.011  
Effective income tax rate
 
.599  
 
.432  
 
.269